CN114586462A - 一种混合自动重传请求反馈方法及装置 - Google Patents

一种混合自动重传请求反馈方法及装置 Download PDF

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Publication number
CN114586462A
CN114586462A CN201980101547.1A CN201980101547A CN114586462A CN 114586462 A CN114586462 A CN 114586462A CN 201980101547 A CN201980101547 A CN 201980101547A CN 114586462 A CN114586462 A CN 114586462A
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China
Prior art keywords
terminal device
harq
terminal
information
terminal equipment
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Pending
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CN201980101547.1A
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English (en)
Inventor
贾琼
张佳胤
吴霁
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN114586462A publication Critical patent/CN114586462A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1614—Details of the supervisory signal using bitmaps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请实施例提供一种HARQ反馈方法及装置，用于解决现有技术中由于LBT的不确定性，终端设备无法及时进行HARQ反馈，从而对后续的传输造成影响的问题。该方法包括：第一终端设备进行LBT，并在LBT成功后的信道资源上发送多个第二终端设备的HARQ信息，从而针对不同的第二终端设备，第一终端设备可以不需要进行多次LBT，从而可以降低LBT的开销，并且可以克服由于LBT失败导致的部分第二终端设备对应的HARQ信息无法及时发送的问题。

Description

PCT国内申请，说明书已公开。

Claims (48)

  1. PCT国内申请，权利要求书已公开。
CN201980101547.1A 2019-10-31 2019-10-31 一种混合自动重传请求反馈方法及装置 Pending CN114586462A (zh)

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Application Number Priority Date Filing Date Title
PCT/CN2019/114875 WO2021081948A1 (zh) 2019-10-31 2019-10-31 一种混合自动重传请求反馈方法及装置

Publications (1)

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CN114586462A true CN114586462A (zh) 2022-06-03

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US (1) US20220264641A1 (zh)
EP (1) EP4044746A4 (zh)
CN (1) CN114586462A (zh)
WO (1) WO2021081948A1 (zh)

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JP2024525934A (ja) * 2021-07-23 2024-07-12 日本電気株式会社 第１端末装置、第２端末装置及び方法
CN114009070B (zh) * 2021-09-27 2024-05-07 北京小米移动软件有限公司 一种反馈信息传输方法、装置及存储介质
WO2023065363A1 (zh) * 2021-10-22 2023-04-27 Oppo广东移动通信有限公司 无线通信的方法和终端设备
CN116137704A (zh) * 2021-11-17 2023-05-19 华为技术有限公司 侧行链路通信方法及相关装置
WO2023141956A1 (en) * 2022-01-28 2023-08-03 Lenovo (Beijing) Limited Methods and apparatuses for one-shot sidelink harq-ack feedback transmission
WO2024040409A1 (en) * 2022-08-22 2024-02-29 Nokia Shanghai Bell Co., Ltd. Device, method and computer readable medium for sidelink communications
CN117834096A (zh) * 2022-09-29 2024-04-05 华为技术有限公司 一种通信方法及装置

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US10225047B2 (en) * 2009-12-08 2019-03-05 Qualcomm Incorporated Method and apparatus for multicast block acknowledgement
US11431459B2 (en) * 2013-08-13 2022-08-30 Qualcomm Incorporated Group ACK/NACK for LTE in unlicensed spectrum
US9819467B2 (en) * 2014-08-08 2017-11-14 Qualcomm Incorporated Communicating feedback in listen-before-talk (LBT) wireless networks
US10158473B2 (en) * 2014-10-03 2018-12-18 Intel IP Corporation Methods, apparatuses, and systems for transmitting hybrid automatic repeat request transmissions using channels in an unlicensed shared medium
WO2016148622A1 (en) * 2015-03-17 2016-09-22 Telefonaktiebolaget Lm Ericsson (Publ) A communication device and a method therein for determining a contention window size in a communication network
CN107332646B (zh) * 2016-04-29 2021-05-11 中兴通讯股份有限公司 Harq-ack的发送方法及装置
US10390379B2 (en) * 2016-12-21 2019-08-20 Huawei Tehcnologies Co., Ltd. System and method for network-assisted distributed user equipment cooperation in unlicensed spectrum
JP7093839B2 (ja) * 2018-01-10 2022-06-30 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 免許が不要なスペクトルの効率的な使用のための方法
US11659592B2 (en) * 2018-01-19 2023-05-23 Apple Inc. Contention window adjustment mechanisms for FELAA systems
US20200037343A1 (en) * 2018-07-24 2020-01-30 Samsung Electronics Co., Ltd. Method and apparatus for network controlled resource allocation in nr v2x
KR20200050848A (ko) * 2018-11-02 2020-05-12 주식회사 아이티엘 Nr v2x 시스템에서 harq 피드백 절차 수행 방법 및 그 장치
US10931406B2 (en) * 2019-06-10 2021-02-23 Asustek Computer Inc. Method and apparatus for handling feedback resource for groupcast in sidelink in a wireless communication system
US11838961B2 (en) * 2019-10-02 2023-12-05 Qualcomm Incorporated Sidelink groupcast configuration to support feedback control

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EP4044746A1 (en) 2022-08-17
WO2021081948A1 (zh) 2021-05-06
EP4044746A4 (en) 2022-11-02
US20220264641A1 (en) 2022-08-18

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